It's typically within a couple degress of ambient. If it's higher than a
couple degrees, I know there is other problems going on. That;s one of the
things I check on systems that aren't working.

Christopher A. Young
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If someone here is in a warm climate, has a decent efficient
AC system, perhaps they could measure the temp of the
refrigerant pressure line just before it enters the air handler.
I'd love to do it, but it's too cold here. It would be interesting
to see how much above outside ambient the temp is.